Climate and monthly weather forecastAugust, CA
Climate and monthly weather forecast
Weather in January
August, California, USA - Weather January' itemprop='relatedLink'>January is a moderate winter month in August, California, with an average temperature varying between 41.5°F (5.3°C) and 56.8°F (13.8°C). August marks the onset of January with an average high-temperature of a refreshing 56.8°F (13.8°C), subtly divergent from December's 55.2°F (12.9°C). Weather in January »Weather in February
August, California, USA - Weather February' itemprop='relatedLink'>February, the last month of the winter in August, is another mild month, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 42.1°F (5.6°C). August records an average high-temperature of a still mild 60.6°F (15.9°C) in February, closely mirroring the climate of the previous month. Weather in February »Weather in March
The first month of the spring, August, California, USA - Weather March' itemprop='relatedLink'>March, is a comfortable month in August, California, with an average temperature fluctuating between 43.9°F (6.6°C) and 64.9°F (18.3°C). March's arrival shows an average high-temperature of a still refreshing 64.9°F (18.3°C), hardly different from the previous month. Weather in March »Weather in April
August, California, USA - Weather April' itemprop='relatedLink'>April is a pleasant spring month in August, California, with an average temperature varying between 47.1°F (8.4°C) and 71.2°F (21.8°C). August's transition into April brings a slight rise in the average high-temperature, moving from an enjoyable 64.9°F (18.3°C) in March to a pleasant 71.2°F (21.8°C). Weather in April »Weather in May
August, California, USA - Weather May' itemprop='relatedLink'>May, the last month of the spring in August, is a moderately hot month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 51.8°F (11°C). May brings a slight elevation in the average high-temperature, transitioning from April's pleasant 71.2°F (21.8°C) to a moderately hot 78.4°F (25.8°C). Weather in May »Weather in June
The first month of the summer, August, California, USA - Weather June' itemprop='relatedLink'>June, is a tropical month in August, California, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 56.8°F (13.8°C). As August, California, transitions into June, the average high-temperature shows a change, moving from a warm 78.4°F (25.8°C) in May to a tropical 88.3°F (31.3°C). Weather in June »Weather in July
August, California, USA - Weather July' itemprop='relatedLink'>July, like June, is another hot summer month in August, California, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 94.3°F (34.6°C). August notes the warmest temperatures in July, with a high average of 94.3°F (34.6°C) and a low of 59.4°F (15.2°C). In July, the heat index is estimated at a sweltering 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in August, is another hot month, with temperature in the range of an average high of 93°F (33.9°C) and an average low of 59.5°F (15.3°C). August's transition from July to August introduces an average high-temperature of a still hot 93°F (33.9°C), marking an insignificant variation from the 94.3°F (34.6°C). Weather in August »Weather in September
September, the first month of the autumn in August, is still a hot month, with an average temperature ranging between min 58.8°F (14.9°C) and max 88.7°F (31.5°C). August experiences a subtle adjustment in high-temperatures to a still hot 88.7°F (31.5°C) with the onset of September, maintaining near parity with August's 93°F (33.9°C). Weather in September »Weather in October
October, like September, in August, California, is another warm autumn month, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 54.1°F (12.3°C). October's arrival comes with a decrease in the average high-temperature, moving from a hot 88.7°F (31.5°C) in September to a moderately hot 77.4°F (25.2°C). Weather in October »Weather in November
November, the last month of the autumn in August, is another comfortable month, with an average temperature fluctuating between 64.6°F (18.1°C) and 46.4°F (8°C). The transition into November involves a decrease in the average high-temperature, falling from a warm 77.4°F (25.2°C) in October to a refreshing 64.6°F (18.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in August, California, with an average temperature ranging between min 41.2°F (5.1°C) and max 55.2°F (12.9°C). August witnesses the coldest weather in December, with temperatures averaging a high of 55.2°F (12.9°C) and a low of 41.2°F (5.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
August, CA
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (55.2°F).
The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (41.2°F).
Average pressure
August, CA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
August, CA
- Average wind speed in January:
5mph - Average wind speed in February:
6mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.3mph - Average wind speed in May:
6.7mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
5.3mph - Average wind speed in November:
4.7mph - Average wind speed in December:
5.4mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity
August, CA
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is July (44%).
Average rainfall
August, CA
- Average rainfall in January:
1.81" - Average rainfall in February:
2.13" - Average rainfall in March:
2.09" - Average rainfall in April:
0.91" - Average rainfall in May:
0.59" - Average rainfall in June:
0.12"
The wettest month (with the highest rainfall) is February (2.13").
The driest month (with the least rainfall) is August (0").
Average rainfall days
August, CA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
12 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
4.3 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
0.8 days - Average rainfall days in August:
0.7 days - Average rainfall days in September:
1.6 days - Average rainfall days in October:
3.5 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (0.7 days).
Average snowfall days
August, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
August, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
6h and 12min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 18min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 24min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 42min - Average sunshine in December:
5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days
August, CA
- Average sunshine days in January:
21.7 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
21.3 days - Average sunshine days in May:
26.1 days - Average sunshine days in June:
28.2 days
- Average sunshine days in July:
29.7 days - Average sunshine days in August:
30.2 days - Average sunshine days in September:
28 days - Average sunshine days in October:
26.3 days - Average sunshine days in November:
22.6 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (17.8 days).
Average UV index
August, CA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
August, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
August, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





